13967873 has 4 divisors (see below), whose sum is σ = 13975620. Its totient is φ = 13960128.

The previous prime is 13967867. The next prime is 13967917. The reversal of 13967873 is 37876931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9591409 + 4376464 = 3097^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 13967873 - 2⁶ = 13967809 is a prime.

It is a super-2 number, since 2×13967873² = 390202952288258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13967813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (3493905).

Almost surely, 2^13967873 is an apocalyptic number.

It is an amenable number.

13967873 is a deficient number, since it is larger than the sum of its proper divisors (7747).

13967873 is an equidigital number, since it uses as much as digits as its factorization.

13967873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746.

The product of its digits is 190512, while the sum is 44.

The square root of 13967873 is about 3737.3617700191. The cubic root of 13967873 is about 240.8297265483.

The spelling of 13967873 in words is "thirteen million, nine hundred sixty-seven thousand, eight hundred seventy-three".